-/** @file\r
- This driver checks whether there is pending TPM request. If yes, \r
- it will display TPM request information and ask for user confirmation.\r
- The TPM request will be cleared after it is processed. \r
- \r
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include "PhysicalPresence.h"\r
-\r
-EFI_HII_HANDLE mPpStringPackHandle;\r
-\r
-/**\r
- Get TPM physical presence permanent flags.\r
-\r
- @param[out] LifetimeLock Returns physicalPresenceLifetimeLock permanent flag. \r
- @param[out] CmdEnable Returns physicalPresenceCMDEnable permanent flag.\r
- \r
- @retval EFI_SUCCESS Flags were returns successfully.\r
- @retval other Failed to locate EFI TCG Protocol.\r
-\r
-**/\r
-EFI_STATUS\r
-GetTpmCapability (\r
- OUT BOOLEAN *LifetimeLock,\r
- OUT BOOLEAN *CmdEnable\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_TCG_PROTOCOL *TcgProtocol;\r
- TPM_RQU_COMMAND_HDR *TpmRqu;\r
- TPM_RSP_COMMAND_HDR *TpmRsp;\r
- UINT32 *SendBufPtr;\r
- UINT8 SendBuffer[sizeof (*TpmRqu) + sizeof (UINT32) * 3];\r
- TPM_PERMANENT_FLAGS *TpmPermanentFlags;\r
- UINT8 RecvBuffer[40];\r
- \r
- Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **)&TcgProtocol);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Fill request header\r
- //\r
- TpmRsp = (TPM_RSP_COMMAND_HDR*)RecvBuffer;\r
- TpmRqu = (TPM_RQU_COMMAND_HDR*)SendBuffer;\r
- \r
- TpmRqu->tag = H2NS (TPM_TAG_RQU_COMMAND);\r
- TpmRqu->paramSize = H2NL (sizeof (SendBuffer));\r
- TpmRqu->ordinal = H2NL (TPM_ORD_GetCapability);\r
-\r
- //\r
- // Set request parameter\r
- //\r
- SendBufPtr = (UINT32*)(TpmRqu + 1);\r
- WriteUnaligned32 (SendBufPtr++, H2NL (TPM_CAP_FLAG));\r
- WriteUnaligned32 (SendBufPtr++, H2NL (sizeof (TPM_CAP_FLAG_PERMANENT)));\r
- WriteUnaligned32 (SendBufPtr, H2NL (TPM_CAP_FLAG_PERMANENT)); \r
- \r
- Status = TcgProtocol->PassThroughToTpm (\r
- TcgProtocol,\r
- sizeof (SendBuffer),\r
- (UINT8*)TpmRqu,\r
- sizeof (RecvBuffer),\r
- (UINT8*)&RecvBuffer\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- ASSERT (TpmRsp->tag == H2NS (TPM_TAG_RSP_COMMAND));\r
- ASSERT (TpmRsp->returnCode == 0);\r
- \r
- TpmPermanentFlags = (TPM_PERMANENT_FLAGS *)&RecvBuffer[sizeof (TPM_RSP_COMMAND_HDR) + sizeof (UINT32)];\r
- \r
- if (LifetimeLock != NULL) {\r
- *LifetimeLock = TpmPermanentFlags->physicalPresenceLifetimeLock;\r
- }\r
-\r
- if (CmdEnable != NULL) {\r
- *CmdEnable = TpmPermanentFlags->physicalPresenceCMDEnable;\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- Issue TSC_PhysicalPresence command to TPM.\r
-\r
- @param[in] PhysicalPresence The state to set the TPM's Physical Presence flags. \r
- \r
- @retval EFI_SUCCESS TPM executed the command successfully.\r
- @retval EFI_SECURITY_VIOLATION TPM returned error when executing the command.\r
- @retval other Failed to locate EFI TCG Protocol.\r
-\r
-**/\r
-EFI_STATUS\r
-TpmPhysicalPresence (\r
- IN TPM_PHYSICAL_PRESENCE PhysicalPresence\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_TCG_PROTOCOL *TcgProtocol;\r
- TPM_RQU_COMMAND_HDR *TpmRqu;\r
- TPM_PHYSICAL_PRESENCE *TpmPp;\r
- TPM_RSP_COMMAND_HDR TpmRsp;\r
- UINT8 Buffer[sizeof (*TpmRqu) + sizeof (*TpmPp)];\r
-\r
- Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **)&TcgProtocol);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- TpmRqu = (TPM_RQU_COMMAND_HDR*)Buffer;\r
- TpmPp = (TPM_PHYSICAL_PRESENCE*)(TpmRqu + 1);\r
-\r
- TpmRqu->tag = H2NS (TPM_TAG_RQU_COMMAND);\r
- TpmRqu->paramSize = H2NL (sizeof (Buffer));\r
- TpmRqu->ordinal = H2NL (TSC_ORD_PhysicalPresence);\r
- WriteUnaligned16 (TpmPp, (TPM_PHYSICAL_PRESENCE) H2NS (PhysicalPresence)); \r
-\r
- Status = TcgProtocol->PassThroughToTpm (\r
- TcgProtocol,\r
- sizeof (Buffer),\r
- (UINT8*)TpmRqu,\r
- sizeof (TpmRsp),\r
- (UINT8*)&TpmRsp\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- ASSERT (TpmRsp.tag == H2NS (TPM_TAG_RSP_COMMAND));\r
- if (TpmRsp.returnCode != 0) {\r
- //\r
- // If it fails, some requirements may be needed for this command.\r
- //\r
- return EFI_SECURITY_VIOLATION;\r
- }\r
- return Status;\r
-}\r
-\r
-/**\r
- Issue a TPM command for which no additional output data will be returned.\r
-\r
- @param[in] TcgProtocol EFI TCG Protocol instance. \r
- @param[in] Ordinal TPM command code. \r
- @param[in] AdditionalParameterSize Additional parameter size. \r
- @param[in] AdditionalParameters Pointer to the Additional paramaters. \r
- \r
- @retval TPM_PP_BIOS_FAILURE Error occurred during sending command to TPM or \r
- receiving response from TPM.\r
- @retval Others Return code from the TPM device after command execution.\r
-\r
-**/\r
-TPM_RESULT\r
-TpmCommandNoReturnData (\r
- IN EFI_TCG_PROTOCOL *TcgProtocol,\r
- IN TPM_COMMAND_CODE Ordinal,\r
- IN UINTN AdditionalParameterSize,\r
- IN VOID *AdditionalParameters\r
- )\r
-{\r
- EFI_STATUS Status;\r
- TPM_RQU_COMMAND_HDR *TpmRqu;\r
- TPM_RSP_COMMAND_HDR TpmRsp;\r
- UINT32 Size;\r
-\r
- TpmRqu = (TPM_RQU_COMMAND_HDR*)AllocatePool (\r
- sizeof (*TpmRqu) + AdditionalParameterSize\r
- );\r
- if (TpmRqu == NULL) {\r
- return TPM_PP_BIOS_FAILURE;\r
- }\r
-\r
- TpmRqu->tag = H2NS (TPM_TAG_RQU_COMMAND);\r
- Size = (UINT32)(sizeof (*TpmRqu) + AdditionalParameterSize);\r
- TpmRqu->paramSize = H2NL (Size);\r
- TpmRqu->ordinal = H2NL (Ordinal);\r
- gBS->CopyMem (TpmRqu + 1, AdditionalParameters, AdditionalParameterSize);\r
-\r
- Status = TcgProtocol->PassThroughToTpm (\r
- TcgProtocol,\r
- Size,\r
- (UINT8*)TpmRqu,\r
- (UINT32)sizeof (TpmRsp),\r
- (UINT8*)&TpmRsp\r
- );\r
- FreePool (TpmRqu);\r
- if (EFI_ERROR (Status) || (TpmRsp.tag != H2NS (TPM_TAG_RSP_COMMAND))) {\r
- return TPM_PP_BIOS_FAILURE;\r
- }\r
- return H2NL (TpmRsp.returnCode);\r
-}\r
-\r
-/**\r
- Execute physical presence operation requested by the OS.\r
-\r
- @param[in] TcgProtocol EFI TCG Protocol instance. \r
- @param[in] CommandCode Physical presence operation value. \r
- @param[in, out] PpiFlags The physical presence interface flags. \r
- \r
- @retval TPM_PP_BIOS_FAILURE Unknown physical presence operation.\r
- @retval TPM_PP_BIOS_FAILURE Error occurred during sending command to TPM or \r
- receiving response from TPM.\r
- @retval Others Return code from the TPM device after command execution.\r
-\r
-**/\r
-TPM_RESULT\r
-ExecutePhysicalPresence (\r
- IN EFI_TCG_PROTOCOL *TcgProtocol,\r
- IN UINT8 CommandCode,\r
- IN OUT UINT8 *PpiFlags\r
- )\r
-{\r
- BOOLEAN BoolVal;\r
- TPM_RESULT TpmResponse;\r
- UINT32 InData[5];\r
-\r
- switch (CommandCode) {\r
- case ENABLE:\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_PhysicalEnable,\r
- 0,\r
- NULL\r
- );\r
-\r
- case DISABLE:\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_PhysicalDisable,\r
- 0,\r
- NULL\r
- );\r
-\r
- case ACTIVATE:\r
- BoolVal = FALSE;\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_PhysicalSetDeactivated,\r
- sizeof (BoolVal),\r
- &BoolVal\r
- );\r
-\r
- case DEACTIVATE:\r
- BoolVal = TRUE;\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_PhysicalSetDeactivated,\r
- sizeof (BoolVal),\r
- &BoolVal\r
- );\r
-\r
- case CLEAR:\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_ForceClear,\r
- 0,\r
- NULL\r
- );\r
-\r
- case ENABLE_ACTIVATE:\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, ENABLE, PpiFlags);\r
- if (TpmResponse == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, ACTIVATE, PpiFlags);\r
- }\r
- return TpmResponse;\r
-\r
- case DEACTIVATE_DISABLE:\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, DEACTIVATE, PpiFlags);\r
- if (TpmResponse == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, DISABLE, PpiFlags);\r
- }\r
- return TpmResponse;\r
-\r
- case SET_OWNER_INSTALL_TRUE:\r
- BoolVal = TRUE;\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_SetOwnerInstall,\r
- sizeof (BoolVal),\r
- &BoolVal\r
- );\r
-\r
- case SET_OWNER_INSTALL_FALSE:\r
- BoolVal = FALSE;\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_SetOwnerInstall,\r
- sizeof (BoolVal),\r
- &BoolVal\r
- );\r
-\r
- case ENABLE_ACTIVATE_OWNER_TRUE:\r
- //\r
- // ENABLE_ACTIVATE + SET_OWNER_INSTALL_TRUE\r
- // SET_OWNER_INSTALL_TRUE will be executed atfer reboot\r
- //\r
- if ((*PpiFlags & FLAG_RESET_TRACK) == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags |= FLAG_RESET_TRACK;\r
- } else {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, SET_OWNER_INSTALL_TRUE, PpiFlags);\r
- *PpiFlags &= ~FLAG_RESET_TRACK;\r
- }\r
- return TpmResponse;\r
-\r
- case DEACTIVATE_DISABLE_OWNER_FALSE:\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, SET_OWNER_INSTALL_FALSE, PpiFlags);\r
- if (TpmResponse == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, DEACTIVATE_DISABLE, PpiFlags);\r
- }\r
- return TpmResponse;\r
-\r
- case DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r
- InData[0] = H2NL (TPM_SET_STCLEAR_DATA); // CapabilityArea\r
- InData[1] = H2NL (sizeof(UINT32)); // SubCapSize\r
- InData[2] = H2NL (TPM_SD_DEFERREDPHYSICALPRESENCE); // SubCap\r
- InData[3] = H2NL (sizeof(UINT32)); // SetValueSize\r
- InData[4] = H2NL (1); // UnownedFieldUpgrade; bit0\r
- return TpmCommandNoReturnData (\r
- TcgProtocol,\r
- TPM_ORD_SetCapability,\r
- sizeof (UINT32) * 5,\r
- InData\r
- );\r
-\r
- case SET_OPERATOR_AUTH:\r
- //\r
- // TPM_SetOperatorAuth\r
- // This command requires UI to prompt user for Auth data\r
- // Here it is NOT implemented\r
- //\r
- return TPM_PP_BIOS_FAILURE;\r
-\r
- case CLEAR_ENABLE_ACTIVATE:\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, CLEAR, PpiFlags);\r
- if (TpmResponse == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, ENABLE_ACTIVATE, PpiFlags);\r
- }\r
- return TpmResponse;\r
-\r
- case SET_NO_PPI_PROVISION_FALSE:\r
- *PpiFlags &= ~FLAG_NO_PPI_PROVISION;\r
- return 0;\r
-\r
- case SET_NO_PPI_PROVISION_TRUE:\r
- *PpiFlags |= FLAG_NO_PPI_PROVISION;\r
- return 0;\r
-\r
- case SET_NO_PPI_CLEAR_FALSE:\r
- *PpiFlags &= ~FLAG_NO_PPI_CLEAR;\r
- return 0;\r
-\r
- case SET_NO_PPI_CLEAR_TRUE:\r
- *PpiFlags |= FLAG_NO_PPI_CLEAR;\r
- return 0;\r
-\r
- case SET_NO_PPI_MAINTENANCE_FALSE:\r
- *PpiFlags &= ~FLAG_NO_PPI_MAINTENANCE;\r
- return 0;\r
-\r
- case SET_NO_PPI_MAINTENANCE_TRUE:\r
- *PpiFlags |= FLAG_NO_PPI_MAINTENANCE;\r
- return 0;\r
- \r
- case ENABLE_ACTIVATE_CLEAR:\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, ENABLE_ACTIVATE, PpiFlags);\r
- if (TpmResponse == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, CLEAR, PpiFlags);\r
- }\r
- return TpmResponse;\r
-\r
- case ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r
- //\r
- // ENABLE_ACTIVATE + CLEAR_ENABLE_ACTIVATE\r
- // CLEAR_ENABLE_ACTIVATE will be executed atfer reboot.\r
- //\r
- if ((*PpiFlags & FLAG_RESET_TRACK) == 0) {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags |= FLAG_RESET_TRACK;\r
- } else {\r
- TpmResponse = ExecutePhysicalPresence (TcgProtocol, CLEAR_ENABLE_ACTIVATE, PpiFlags);\r
- *PpiFlags &= ~FLAG_RESET_TRACK;\r
- } \r
- return TpmResponse;\r
-\r
- default:\r
- ;\r
- }\r
- return TPM_PP_BIOS_FAILURE;\r
-}\r
-\r
-\r
-/**\r
- Read the specified key for user confirmation.\r
-\r
- @param[in] CautionKey If true, F12 is used as confirm key;\r
- If false, F10 is used as confirm key.\r
-\r
- @retval TRUE User confirmed the changes by input.\r
- @retval FALSE User discarded the changes.\r
-\r
-**/\r
-BOOLEAN\r
-ReadUserKey (\r
- IN BOOLEAN CautionKey\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_INPUT_KEY Key;\r
- UINT16 InputKey;\r
- EFI_TPL OldTpl;\r
-\r
- OldTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL); \r
- gBS->RestoreTPL (TPL_APPLICATION);\r
- \r
- InputKey = 0; \r
- do {\r
- Status = gBS->CheckEvent (gST->ConIn->WaitForKey);\r
- if (!EFI_ERROR (Status)) {\r
- Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
- if (Key.ScanCode == SCAN_ESC) {\r
- InputKey = Key.ScanCode;\r
- }\r
- if ((Key.ScanCode == SCAN_F10) && !CautionKey) {\r
- InputKey = Key.ScanCode;\r
- }\r
- if ((Key.ScanCode == SCAN_F12) && CautionKey) {\r
- InputKey = Key.ScanCode;\r
- }\r
- } \r
- } while (InputKey == 0);\r
-\r
- gBS->RaiseTPL (OldTpl); \r
-\r
- if (InputKey != SCAN_ESC) {\r
- return TRUE;\r
- }\r
- \r
- return FALSE;\r
-}\r
-\r
-/**\r
- Display the confirm text and get user confirmation.\r
-\r
- @param[in] TpmPpCommand The requested TPM physical presence command.\r
-\r
- @retval TRUE The user has confirmed the changes.\r
- @retval FALSE The user doesn't confirm the changes.\r
-**/\r
-BOOLEAN\r
-UserConfirm (\r
- IN UINT8 TpmPpCommand\r
- )\r
-{\r
- CHAR16 *ConfirmText;\r
- CHAR16 *TmpStr1;\r
- CHAR16 *TmpStr2; \r
- UINTN BufSize;\r
- BOOLEAN CautionKey;\r
- UINT16 Index;\r
- CHAR16 DstStr[81];\r
- \r
- TmpStr2 = NULL;\r
- CautionKey = FALSE;\r
- BufSize = CONFIRM_BUFFER_SIZE;\r
- ConfirmText = AllocateZeroPool (BufSize);\r
- ASSERT (ConfirmText != NULL);\r
-\r
- mPpStringPackHandle = HiiAddPackages (\r
- &gEfiPhysicalPresenceGuid,\r
- NULL,\r
- PhysicalPresenceDxeStrings,\r
- NULL\r
- );\r
- ASSERT (mPpStringPackHandle != NULL);\r
-\r
- switch (TpmPpCommand) {\r
- case ENABLE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ENABLE), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL); \r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case DISABLE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_DISABLE), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
- \r
- case ACTIVATE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACTIVATE), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case DEACTIVATE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_DEACTIVATE), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1); \r
- break;\r
-\r
- case CLEAR:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CLEAR), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1); \r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case ENABLE_ACTIVATE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ENABLE_ACTIVATE), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_ON), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case DEACTIVATE_DISABLE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_DEACTIVATE_DISABLE), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL); \r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_OFF), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case SET_OWNER_INSTALL_TRUE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ALLOW_TAKE_OWNERSHIP), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL); \r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case SET_OWNER_INSTALL_FALSE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_DISALLOW_TAKE_OWNERSHIP), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL); \r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case ENABLE_ACTIVATE_OWNER_TRUE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_TURN_ON), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_ON), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case DEACTIVATE_DISABLE_OWNER_FALSE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_TURN_OFF), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL); \r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_OFF), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_UNOWNED_FIELD_UPGRADE), NULL);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_UPGRADE_HEAD_STR), NULL); \r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
- \r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_MAINTAIN), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case SET_OPERATOR_AUTH:\r
- //\r
- // TPM_SetOperatorAuth\r
- // This command requires UI to prompt user for Auth data\r
- // Here it is NOT implemented\r
- //\r
- break;\r
-\r
- case CLEAR_ENABLE_ACTIVATE:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CLEAR_TURN_ON), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_ON), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR_CONT), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case SET_NO_PPI_PROVISION_TRUE:\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NO_PPI_PROVISION), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_PPI_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ACCEPT_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NO_PPI_INFO), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case SET_NO_PPI_CLEAR_TRUE:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CLEAR), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_PPI_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_CLEAR), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1); \r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NO_PPI_INFO), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case SET_NO_PPI_MAINTENANCE_TRUE:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NO_PPI_MAINTAIN), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_PPI_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_MAINTAIN), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NO_PPI_INFO), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case ENABLE_ACTIVATE_CLEAR:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ENABLE_ACTIVATE_CLEAR), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- case ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r
- CautionKey = TRUE;\r
- TmpStr2 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE), NULL);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_HEAD_STR), NULL);\r
- UnicodeSPrint (ConfirmText, BufSize, TmpStr1, TmpStr2);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_NOTE_ON), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_WARNING_CLEAR_CONT), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_CAUTION_KEY), NULL);\r
- StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16 *)) - StrLen (ConfirmText) - 1);\r
- FreePool (TmpStr1);\r
- break;\r
-\r
- default:\r
- ;\r
- }\r
-\r
- if (TmpStr2 == NULL) {\r
- FreePool (ConfirmText);\r
- return FALSE;\r
- }\r
-\r
- TmpStr1 = HiiGetString (mPpStringPackHandle, STRING_TOKEN (TPM_REJECT_KEY), NULL);\r
- BufSize -= StrSize (ConfirmText);\r
- UnicodeSPrint (ConfirmText + StrLen (ConfirmText), BufSize, TmpStr1, TmpStr2);\r
-\r
- DstStr[80] = L'\0';\r
- for (Index = 0; Index < StrLen (ConfirmText); Index += 80) {\r
- StrnCpy(DstStr, ConfirmText + Index, 80); \r
- Print (DstStr); \r
- }\r
- \r
- FreePool (TmpStr1);\r
- FreePool (TmpStr2);\r
- FreePool (ConfirmText);\r
-\r
- if (ReadUserKey (CautionKey)) {\r
- return TRUE;\r
- }\r
-\r
- return FALSE; \r
-}\r
-\r
-/**\r
- Check and execute the requested physical presence command.\r
- \r
- @param[in, out] TcgPpData Point to the physical presence NV variable.\r
-\r
-**/\r
-VOID\r
-ExecutePendingTpmRequest (\r
- IN OUT EFI_PHYSICAL_PRESENCE *TcgPpData\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_TCG_PROTOCOL *TcgProtocol;\r
- UINTN DataSize;\r
- UINT8 Flags;\r
- BOOLEAN RequestConfirmed;\r
-\r
- Flags = TcgPpData->Flags;\r
- RequestConfirmed = FALSE; \r
- switch (TcgPpData->PPRequest) {\r
- case NO_ACTION:\r
- return;\r
- case ENABLE:\r
- case DISABLE:\r
- case ACTIVATE:\r
- case DEACTIVATE:\r
- case ENABLE_ACTIVATE:\r
- case DEACTIVATE_DISABLE:\r
- case SET_OWNER_INSTALL_TRUE:\r
- case SET_OWNER_INSTALL_FALSE:\r
- case ENABLE_ACTIVATE_OWNER_TRUE:\r
- case DEACTIVATE_DISABLE_OWNER_FALSE:\r
- case SET_OPERATOR_AUTH:\r
- if ((Flags & FLAG_NO_PPI_PROVISION) != 0) {\r
- RequestConfirmed = TRUE;\r
- }\r
- break;\r
-\r
- case CLEAR:\r
- case ENABLE_ACTIVATE_CLEAR:\r
- if ((Flags & FLAG_NO_PPI_CLEAR) != 0) {\r
- RequestConfirmed = TRUE;\r
- }\r
- break;\r
-\r
- case DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r
- if ((Flags & FLAG_NO_PPI_MAINTENANCE) != 0) {\r
- RequestConfirmed = TRUE;\r
- }\r
- break;\r
-\r
- case CLEAR_ENABLE_ACTIVATE:\r
- case ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE:\r
- if ((Flags & FLAG_NO_PPI_CLEAR) != 0 && (Flags & FLAG_NO_PPI_PROVISION) != 0) {\r
- RequestConfirmed = TRUE;\r
- }\r
- break; \r
-\r
- case SET_NO_PPI_PROVISION_FALSE:\r
- case SET_NO_PPI_CLEAR_FALSE:\r
- case SET_NO_PPI_MAINTENANCE_FALSE:\r
- RequestConfirmed = TRUE;\r
- break;\r
- }\r
-\r
- if ((Flags & FLAG_RESET_TRACK) != 0) {\r
- //\r
- // It had been confirmed in last boot, it doesn't need confirm again.\r
- //\r
- RequestConfirmed = TRUE;\r
- }\r
-\r
- if (!RequestConfirmed) {\r
- //\r
- // Print confirm text and wait for approval. \r
- //\r
- RequestConfirmed = UserConfirm (TcgPpData->PPRequest);\r
- }\r
-\r
- //\r
- // Execute requested physical presence command.\r
- //\r
- TcgPpData->PPResponse = TPM_PP_USER_ABORT;\r
- if (RequestConfirmed) {\r
- Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID**) &TcgProtocol);\r
- ASSERT_EFI_ERROR (Status);\r
- TcgPpData->PPResponse = ExecutePhysicalPresence (TcgProtocol, TcgPpData->PPRequest, &TcgPpData->Flags);\r
- }\r
-\r
- //\r
- // Clear request\r
- //\r
- if ((TcgPpData->Flags & FLAG_RESET_TRACK) == 0) {\r
- TcgPpData->LastPPRequest = TcgPpData->PPRequest;\r
- TcgPpData->PPRequest = 0; \r
- }\r
-\r
- //\r
- // Save changes\r
- //\r
- DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
- Status = gRT->SetVariable (\r
- PHYSICAL_PRESENCE_VARIABLE,\r
- &gEfiPhysicalPresenceGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
- DataSize,\r
- TcgPpData\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return;\r
- }\r
-\r
- if (TcgPpData->PPResponse == TPM_PP_USER_ABORT) {\r
- return;\r
- }\r
-\r
- //\r
- // Reset system to make new TPM settings in effect\r
- //\r
- switch (TcgPpData->LastPPRequest) {\r
- case ACTIVATE:\r
- case DEACTIVATE:\r
- case CLEAR:\r
- case ENABLE_ACTIVATE:\r
- case DEACTIVATE_DISABLE:\r
- case ENABLE_ACTIVATE_OWNER_TRUE:\r
- case DEACTIVATE_DISABLE_OWNER_FALSE:\r
- case DEFERRED_PP_UNOWNERED_FIELD_UPGRADE:\r
- case CLEAR_ENABLE_ACTIVATE:\r
- case ENABLE_ACTIVATE_CLEAR:\r
- case ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE: \r
- break;\r
- default:\r
- if (TcgPpData->PPRequest != 0) {\r
- break;\r
- }\r
- return;\r
- }\r
-\r
- Print (L"Rebooting system to make TPM settings in effect\n");\r
- gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r
- ASSERT (FALSE); \r
-}\r
-\r
-/**\r
- Check and execute the physical presence command requested and\r
- Lock physical presence.\r
-\r
- @param[in] Event Event whose notification function is being invoked\r
- @param[in] Context Pointer to the notification function's context\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-OnReadyToBoot (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- EFI_STATUS Status;\r
- BOOLEAN LifetimeLock;\r
- BOOLEAN CmdEnable;\r
- UINTN DataSize;\r
- EFI_PHYSICAL_PRESENCE TcgPpData;\r
- \r
- //\r
- // Check pending request, if not exist, just return.\r
- //\r
- DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
- Status = gRT->GetVariable (\r
- PHYSICAL_PRESENCE_VARIABLE,\r
- &gEfiPhysicalPresenceGuid,\r
- NULL,\r
- &DataSize,\r
- &TcgPpData\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- DEBUG ((EFI_D_INFO, "[TPM] Flags=%x, PPRequest=%x\n", TcgPpData.Flags, TcgPpData.PPRequest));\r
- \r
- Status = GetTpmCapability (&LifetimeLock, &CmdEnable);\r
- if (EFI_ERROR (Status)) {\r
- return ;\r
- }\r
-\r
- if (!CmdEnable) {\r
- if (LifetimeLock) {\r
- //\r
- // physicalPresenceCMDEnable is locked, can't execute physical presence command.\r
- //\r
- return ;\r
- }\r
- Status = TpmPhysicalPresence (TPM_PHYSICAL_PRESENCE_CMD_ENABLE);\r
- if (EFI_ERROR (Status)) {\r
- return ;\r
- }\r
- }\r
-\r
- //\r
- // Set operator physical presence flags\r
- //\r
- TpmPhysicalPresence (TPM_PHYSICAL_PRESENCE_PRESENT);\r
- \r
- //\r
- // Execute pending TPM request.\r
- // \r
- ExecutePendingTpmRequest (&TcgPpData);\r
- DEBUG ((EFI_D_INFO, "[TPM] PPResponse = %x\n", TcgPpData.PPResponse));\r
-\r
- //\r
- // Lock physical presence.\r
- //\r
- TpmPhysicalPresence (TPM_PHYSICAL_PRESENCE_NOTPRESENT | TPM_PHYSICAL_PRESENCE_LOCK);\r
-}\r
-\r
-/**\r
- The driver's entry point.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
- @param[in] SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The entry point is executed successfully.\r
- @retval other Some error occurs when executing this entry point.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-DriverEntry (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_EVENT Event;\r
- EFI_STATUS Status;\r
- UINTN DataSize;\r
- EFI_PHYSICAL_PRESENCE TcgPpData;\r
- \r
- //\r
- // Initialize physical presence variable exists.\r
- //\r
- DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
- Status = gRT->GetVariable (\r
- PHYSICAL_PRESENCE_VARIABLE,\r
- &gEfiPhysicalPresenceGuid,\r
- NULL,\r
- &DataSize,\r
- &TcgPpData\r
- );\r
- if (EFI_ERROR (Status)) {\r
- if (Status == EFI_NOT_FOUND) {\r
- ZeroMem ((VOID*)&TcgPpData, sizeof (TcgPpData));\r
- TcgPpData.Flags |= FLAG_NO_PPI_PROVISION;\r
- DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r
- Status = gRT->SetVariable (\r
- PHYSICAL_PRESENCE_VARIABLE,\r
- &gEfiPhysicalPresenceGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
- DataSize,\r
- &TcgPpData\r
- );\r
- }\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
-\r
- //\r
- // TPL Level of physical presence should be larger \r
- // than one of TcgDxe driver (TPL_CALLBACK)\r
- //\r
- Status = EfiCreateEventReadyToBootEx (\r
- TPL_CALLBACK,\r
- OnReadyToBoot,\r
- NULL,\r
- &Event\r
- );\r
- return Status;\r
-}\r
-\r